357 lines
8.5 KiB
Go
357 lines
8.5 KiB
Go
// 8 february 2014
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package main
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import (
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// "syscall"
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"unsafe"
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)
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// Window styles.
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const (
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_WS_BORDER = 0x00800000
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_WS_CAPTION = 0x00C00000
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_WS_CHILD = 0x40000000
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_WS_CHILDWINDOW = 0x40000000
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_WS_CLIPCHILDREN = 0x02000000
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_WS_CLIPSIBLINGS = 0x04000000
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_WS_DISABLED = 0x08000000
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_WS_DLGFRAME = 0x00400000
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_WS_GROUP = 0x00020000
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_WS_HSCROLL = 0x00100000
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_WS_ICONIC = 0x20000000
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_WS_MAXIMIZE = 0x01000000
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_WS_MAXIMIZEBOX = 0x00010000
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_WS_MINIMIZE = 0x20000000
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_WS_MINIMIZEBOX = 0x00020000
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_WS_OVERLAPPED = 0x00000000
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_WS_OVERLAPPEDWINDOW = (_WS_OVERLAPPED | _WS_CAPTION | _WS_SYSMENU | _WS_THICKFRAME | _WS_MINIMIZEBOX | _WS_MAXIMIZEBOX)
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_WS_POPUP = 0x80000000
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_WS_POPUPWINDOW = (_WS_POPUP | _WS_BORDER | _WS_SYSMENU)
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_WS_SIZEBOX = 0x00040000
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_WS_SYSMENU = 0x00080000
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_WS_TABSTOP = 0x00010000
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_WS_THICKFRAME = 0x00040000
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_WS_TILED = 0x00000000
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_WS_TILEDWINDOW = (_WS_OVERLAPPED | _WS_CAPTION | _WS_SYSMENU | _WS_THICKFRAME | _WS_MINIMIZEBOX | _WS_MAXIMIZEBOX)
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_WS_VISIBLE = 0x10000000
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_WS_VSCROLL = 0x00200000
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)
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// Extended window styles.
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const (
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_WS_EX_ACCEPTFILES = 0x00000010
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_WS_EX_APPWINDOW = 0x00040000
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_WS_EX_CLIENTEDGE = 0x00000200
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// _WS_EX_COMPOSITED = 0x02000000 // [Windows 2000:This style is not supported.]
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_WS_EX_CONTEXTHELP = 0x00000400
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_WS_EX_CONTROLPARENT = 0x00010000
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_WS_EX_DLGMODALFRAME = 0x00000001
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_WS_EX_LAYERED = 0x00080000
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_WS_EX_LAYOUTRTL = 0x00400000
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_WS_EX_LEFT = 0x00000000
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_WS_EX_LEFTSCROLLBAR = 0x00004000
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_WS_EX_LTRREADING = 0x00000000
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_WS_EX_MDICHILD = 0x00000040
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_WS_EX_NOACTIVATE = 0x08000000
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_WS_EX_NOINHERITLAYOUT = 0x00100000
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_WS_EX_NOPARENTNOTIFY = 0x00000004
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_WS_EX_OVERLAPPEDWINDOW = (_WS_EX_WINDOWEDGE | _WS_EX_CLIENTEDGE)
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_WS_EX_PALETTEWINDOW = (_WS_EX_WINDOWEDGE | _WS_EX_TOOLWINDOW | _WS_EX_TOPMOST)
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_WS_EX_RIGHT = 0x00001000
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_WS_EX_RIGHTSCROLLBAR = 0x00000000
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_WS_EX_RTLREADING = 0x00002000
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_WS_EX_STATICEDGE = 0x00020000
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_WS_EX_TOOLWINDOW = 0x00000080
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_WS_EX_TOPMOST = 0x00000008
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_WS_EX_TRANSPARENT = 0x00000020
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_WS_EX_WINDOWEDGE = 0x00000100
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)
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// bizarrely, this value is given on the page for CreateMDIWindow, but not CreateWindow or CreateWindowEx
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// I do it this way because Go won't let me shove the exact value into an int
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var (
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__CW_USEDEFAULT uint = 0x80000000
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_CW_USEDEFAULT = int(__CW_USEDEFAULT)
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)
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// GetSysColor values. These can be cast to HBRUSH (after adding 1) for WNDCLASS as well.
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const (
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_COLOR_3DDKSHADOW = 21
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_COLOR_3DFACE = 15
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_COLOR_3DHIGHLIGHT = 20
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_COLOR_3DHILIGHT = 20
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_COLOR_3DLIGHT = 22
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_COLOR_3DSHADOW = 16
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_COLOR_ACTIVEBORDER = 10
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_COLOR_ACTIVECAPTION = 2
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_COLOR_APPWORKSPACE = 12
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_COLOR_BACKGROUND = 1
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_COLOR_BTNFACE = 15
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_COLOR_BTNHIGHLIGHT = 20
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_COLOR_BTNHILIGHT = 20
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_COLOR_BTNSHADOW = 16
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_COLOR_BTNTEXT = 18
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_COLOR_CAPTIONTEXT = 9
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_COLOR_DESKTOP = 1
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_COLOR_GRADIENTACTIVECAPTION = 27
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_COLOR_GRADIENTINACTIVECAPTION = 28
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_COLOR_GRAYTEXT = 17
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_COLOR_HIGHLIGHT = 13
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_COLOR_HIGHLIGHTTEXT = 14
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_COLOR_HOTLIGHT = 26
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_COLOR_INACTIVEBORDER = 11
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_COLOR_INACTIVECAPTION = 3
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_COLOR_INACTIVECAPTIONTEXT = 19
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_COLOR_INFOBK = 24
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_COLOR_INFOTEXT = 23
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_COLOR_MENU = 4
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// COLOR_MENUHILIGHT = 29 // [Windows 2000:This value is not supported.]
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// COLOR_MENUBAR = 30 // [Windows 2000:This value is not supported.]
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_COLOR_MENUTEXT = 7
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_COLOR_SCROLLBAR = 0
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_COLOR_WINDOW = 5
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_COLOR_WINDOWFRAME = 6
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_COLOR_WINDOWTEXT = 8
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)
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// SetWindowPos hWndInsertAfter values.
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const (
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_HWND_BOTTOM = _HWND(1)
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_HWND_TOP = _HWND(0)
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)
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// SetWindowPos hWndInsertAfter values that Go won't allow as constants.
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var (
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__HWND_NOTOPMOST = -2
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_HWND_NOTOPMOST = _HWND(__HWND_NOTOPMOST)
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__HWND_TOPMOST = -1
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_HWND_TOPMOST = _HWND(__HWND_TOPMOST)
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)
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// SetWindowPos uFlags values.
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const (
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_SWP_DRAWFRAME = 0x0020
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_SWP_FRAMECHANGED = 0x0020
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_SWP_HIDEWINDOW = 0x0080
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_SWP_NOACTIVATE = 0x0010
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_SWP_NOCOPYBITS = 0x0100
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_SWP_NOMOVE = 0x0002
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_SWP_NOOWNERZORDER = 0x0200
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_SWP_NOREDRAW = 0x0008
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_SWP_NOREPOSITION = 0x0200
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_SWP_NOSENDCHANGING = 0x0400
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_SWP_NOSIZE = 0x0001
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_SWP_NOZORDER = 0x0004
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_SWP_SHOWWINDOW = 0x0040
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_SWP_ASYNCWINDOWPOS = 0x4000
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_SWP_DEFERERASE = 0x2000
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)
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// ShowWindow settings.
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const (
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_SW_FORCEMINIMIZE = 11
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_SW_HIDE = 0
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_SW_MAXIMIZE = 3
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_SW_MINIMIZE = 6
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_SW_RESTORE = 9
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_SW_SHOW = 5
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_SW_SHOWDEFAULT = 10
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_SW_SHOWMAXIMIZED = 3
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_SW_SHOWMINIMIZED = 2
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_SW_SHOWMINNOACTIVE = 7
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_SW_SHOWNA = 8
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_SW_SHOWNOACTIVATE = 4
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_SW_SHOWNORMAL = 1
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)
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var (
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_createWindowEx = user32.NewProc("CreateWindowExW")
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_destroyWindow = user32.NewProc("DestroyWindow")
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_getClientRect = user32.NewProc("GetClientRect")
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_enumChildWindows = user32.NewProc("EnumChildWindows")
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_setWindowPos = user32.NewProc("SetWindowPos")
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_setWindowText = user32.NewProc("SetWindowTextW")
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_showWindow = user32.NewProc("ShowWindow")
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)
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/*
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func DestroyWindow(hWnd HWND) (err error) {
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r1, _, err := destroyWindow.Call(uintptr(hWnd))
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if r1 == 0 { // failure
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return err
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}
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return nil
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}
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type WNDENUMPROC func(hwnd HWND, lParam LPARAM) (cont bool)
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type _WNDENUMPROC func(hwnd HWND, lParam LPARAM) int
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func enumChildProc(p WNDENUMPROC) _WNDENUMPROC {
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return func(hwnd HWND, lParam LPARAM) int {
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if p(hwnd, lParam) {
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return TRUE
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}
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return FALSE
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}
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}
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// TODO figure out how to handle errors
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func EnumChildWindows(hWndParent HWND, lpEnumFunc WNDENUMPROC, lParam LPARAM) (err error) {
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enumChildWindows.Call(
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uintptr(hWndParent),
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syscall.NewCallback(enumChildProc(lpEnumFunc)),
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uintptr(lParam))
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return nil
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}
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// TODO return the rect itself?
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func GetClientRect(hWnd HWND) (lpRect *RECT, err error) {
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lpRect = new(RECT)
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r1, _, err := getClientRect.Call(
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uintptr(hWnd),
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uintptr(unsafe.Pointer(lpRect)))
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if r1 == 0 { // failure
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return nil, err
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}
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return lpRect, nil
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}
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func SetWindowPos(hWnd HWND, hWndInsertAfter HWND, X int, Y int, cx int, cy int, uFlags uint32) (err error) {
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r1, _, err := setWindowPos.Call(
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uintptr(hWnd),
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uintptr(hWndInsertAfter),
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uintptr(X),
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uintptr(Y),
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uintptr(cx),
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uintptr(cy),
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uintptr(uFlags))
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if r1 == 0 { // failure
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return err
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}
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return nil
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}
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*/
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// WM_SETICON and WM_GETICON values.
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const (
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_ICON_BIG = 1
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_ICON_SMALL = 0
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_ICON_SMALL2 = 2 // WM_GETICON only?
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)
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// Window messages.
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const (
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_MN_GETHMENU = 0x01E1
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_WM_ERASEBKGND = 0x0014
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_WM_GETFONT = 0x0031
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_WM_GETTEXT = 0x000D
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_WM_GETTEXTLENGTH = 0x000E
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_WM_SETFONT = 0x0030
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_WM_SETICON = 0x0080
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_WM_SETTEXT = 0x000C
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)
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// WM_INPUTLANGCHANGEREQUEST values.
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const (
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_INPUTLANGCHANGE_BACKWARD = 0x0004
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_INPUTLANGCHANGE_FORWARD = 0x0002
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_INPUTLANGCHANGE_SYSCHARSET = 0x0001
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)
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// WM_NCCALCSIZE return values.
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const (
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_WVR_ALIGNTOP = 0x0010
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_WVR_ALIGNRIGHT = 0x0080
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_WVR_ALIGNLEFT = 0x0020
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_WVR_ALIGNBOTTOM = 0x0040
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_WVR_HREDRAW = 0x0100
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_WVR_VREDRAW = 0x0200
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_WVR_REDRAW = 0x0300
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_WVR_VALIDRECTS = 0x0400
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)
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// WM_SHOWWINDOW reasons (lParam).
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const (
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_SW_OTHERUNZOOM = 4
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_SW_OTHERZOOM = 2
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_SW_PARENTCLOSING = 1
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_SW_PARENTOPENING = 3
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)
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// WM_SIZE values.
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const (
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_SIZE_MAXHIDE = 4
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_SIZE_MAXIMIZED = 2
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_SIZE_MAXSHOW = 3
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_SIZE_MINIMIZED = 1
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_SIZE_RESTORED = 0
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)
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// WM_SIZING edge values (wParam).
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const (
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_WMSZ_BOTTOM = 6
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_WMSZ_BOTTOMLEFT = 7
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_WMSZ_BOTTOMRIGHT = 8
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_WMSZ_LEFT = 1
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_WMSZ_RIGHT = 2
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_WMSZ_TOP = 3
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_WMSZ_TOPLEFT = 4
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_WMSZ_TOPRIGHT = 5
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)
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// WM_STYLECHANGED and WM_STYLECHANGING values (wParam).
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const (
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_GWL_EXSTYLE = -20
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_GWL_STYLE = -16
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)
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// Window notifications.
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const (
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_WM_ACTIVATEAPP = 0x001C
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_WM_CANCELMODE = 0x001F
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_WM_CHILDACTIVATE = 0x0022
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_WM_CLOSE = 0x0010
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_WM_COMPACTING = 0x0041
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_WM_CREATE = 0x0001
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_WM_DESTROY = 0x0002
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// _WM_DPICHANGED = 0x02E0 // Windows 8.1 and newer only
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_WM_ENABLE = 0x000A
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_WM_ENTERSIZEMOVE = 0x0231
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_WM_EXITSIZEMOVE = 0x0232
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_WM_GETICON = 0x007F
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_WM_GETMINMAXINFO = 0x0024
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_WM_INPUTLANGCHANGE = 0x0051
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_WM_INPUTLANGCHANGEREQUEST = 0x0050
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_WM_MOVE = 0x0003
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_WM_MOVING = 0x0216
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_WM_NCACTIVATE = 0x0086
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_WM_NCCALCSIZE = 0x0083
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_WM_NCCREATE = 0x0081
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_WM_NCDESTROY = 0x0082
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_WM_NULL = 0x0000
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_WM_QUERYDRAGICON = 0x0037
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_WM_QUERYOPEN = 0x0013
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_WM_QUIT = 0x0012
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_WM_SHOWWINDOW = 0x0018
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_WM_SIZE = 0x0005
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_WM_SIZING = 0x0214
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_WM_STYLECHANGED = 0x007D
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_WM_STYLECHANGING = 0x007C
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// _WM_THEMECHANGED = 0x031A // Windows XP and newer only
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// _WM_USERCHANGED = 0x0054 // Windows XP only: [Note This message is not supported as of Windows Vista.; also listed as not supported by server Windows]
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_WM_WINDOWPOSCHANGED = 0x0047
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_WM_WINDOWPOSCHANGING = 0x0046
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)
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type _MINMAXINFO struct {
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PtReserved _POINT
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PtMaxSize _POINT
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PtMaxPosition _POINT
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PtMinTrackSize _POINT
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PtMaxTrackSize _POINT
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}
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func (l _LPARAM) MINMAXINFO() *_MINMAXINFO {
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return (*_MINMAXINFO)(unsafe.Pointer(l))
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}
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